EP3904771A1 - Kochfeld mit einer indikatoranordnung - Google Patents

Kochfeld mit einer indikatoranordnung Download PDF

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Publication number
EP3904771A1
EP3904771A1 EP21171043.9A EP21171043A EP3904771A1 EP 3904771 A1 EP3904771 A1 EP 3904771A1 EP 21171043 A EP21171043 A EP 21171043A EP 3904771 A1 EP3904771 A1 EP 3904771A1
Authority
EP
European Patent Office
Prior art keywords
cooktop
reflective
deflector
reflective members
light path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP21171043.9A
Other languages
English (en)
French (fr)
Inventor
Monica C. Monteiro
Rafael C. Prado
Nilvania Stefanello
Gustavo Ernesto Ferreira dos Santos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whirlpool Corp
Original Assignee
Whirlpool Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whirlpool Corp filed Critical Whirlpool Corp
Publication of EP3904771A1 publication Critical patent/EP3904771A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0044—Household appliances, e.g. washing machines or vacuum cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1218—Cooking devices induction cooking plates or the like and devices to be used in combination with them with arrangements using lights for heating zone state indication

Definitions

  • the present disclosure generally relates to a cooktop for an appliance, and more specifically, to an indicator assembly for a cooktop.
  • a cooktop for an appliance includes a body that has a support surface.
  • a cooking surface is operably coupled to the body and optionally has and/or defines a plurality of indicia.
  • a plurality of coils are coupled to the support surface of the body. The plurality of coils preferably correspond with the plurality of indicia defined by the cooking surface.
  • An indicator assembly is operably coupled to the support surface of the body.
  • the indicator assembly includes reflective members that are disposed on the support surface proximate to the plurality of coils and lasers are operably coupled to the support surface and are disposed proximate the reflective members.
  • a controller is operably coupled to the indicator assembly and is configured to activate the lasers relative to the reflective members.
  • an indicator assembly for a cooktop includes a support surface. Reflective members are operably coupled to the support surface. An illumination feature is operably coupled to a first end of each of the reflective members and define a light path along each of the reflective members. A barrier member is centrally disposed on the support surface proximate a second end of each of the reflective members.
  • an indicator assembly for a cooktop includes a support surface.
  • Reflective members are disposed on the support surface and have a first end and a second end.
  • Each of the reflective members has a first bend and a second bend that are defined between the first end and the second end of each of the reflective members.
  • a first deflector is disposed on the first bend of each of the reflective members.
  • a second deflector is disposed on the second bend of each of the reflective members.
  • An illumination feature is operably coupled to each of the reflective members and define a light path proximate each of the reflective members.
  • the present illustrated embodiments reside primarily in combinations of apparatus components related to an indicator assembly for a cooktop. Accordingly, the apparatus components have been represented, where appropriate, by conventional symbols in the drawings, showing only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having the benefit of the description herein. Further, like numerals in the description and drawings represent like elements.
  • the terms “upper,” “lower,” “right,” “left,” “rear,” “front,” “vertical,” “horizontal,” and derivatives thereof shall relate to the disclosure as oriented in FIG. 1 .
  • the term “front” shall refer to the surface of the element closer to an intended viewer, and the term “rear” shall refer to the surface of the element further from the intended viewer.
  • the disclosure may assume various alternative orientations, except where expressly specified to the contrary.
  • the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.
  • reference numeral 10 generally designates a cooktop for an appliance 12 that includes a body 14 that has a support surface 16.
  • a cooking surface 18 is operably coupled to the body 14 and which can have and/or define a plurality of indicia 20.
  • a plurality of coils 22 are operably coupled to the support surface 16 of the body 14. The plurality of coils 22 correspond with the plurality of indicia 20 defined by the cooking surface 18.
  • An indicator assembly 24 is operably coupled to the support surface 16 of the body 14.
  • the indicator assembly 24 includes reflective members 26 disposed on the support surface 16 proximate to the plurality of coils 22.
  • Lasers 32 are operably coupled to the support surface 16 and are disposed proximate the reflective members 26.
  • a controller 34 is operably coupled to the indicator assembly 24 and is configured to activate the lasers 32 relative to the reflective members 26.
  • the cooktop 10 includes a glass-ceramic surface coupled to the support surface 16 of the cooktop 10 through which the indicator assembly 24 is selectively visible, as described below.
  • the cooktop 10 is illustrated as being disposed on the appliance 12 proximate to a door 40 and coupled to an appliance body 42.
  • the appliance 12 includes, in addition to the door 40 and the appliance body 42, a warming drawer 44 positioned beneath the door 40 of the appliance 12.
  • the cooktop 10 is illustrated as being coupled to the appliance body 42 of the appliance 12, it is also contemplated that the cooktop 10 may be separate from the appliance 12, such that the cooktop 10 can be disposed on a countertop surface.
  • the body 14 of the cooktop 10 can be coupled to a countertop surface to independently support the cooktop 10 from the appliance 12.
  • the cooktop 10 is an induction cooktop, such that each of the coils 22 is associated with a burner area 46 that generates a constantly changing electromagnetic field configured to interact with a metal cooking utensil placed on the burner area 46.
  • the indicator assembly 24 described herein may be used in other cooktops, such as gas-operated cooktops.
  • the burner area 46 may be at least partially defined by the plurality of indicia 20 defined along the cooking surface 18 of the cooktop 10. It is generally contemplated that the cooking surface 18 may be a glass-ceramic surface, such that the indicator assembly 24 can be selectively visible through the cooking surface 18, described further below.
  • the indicia 20 generally indicate the position of each coil 22 beneath the cooking surface 18, or a position on which a superposed cooking utensil should be centered. While the indicia 20 indicates the location of each burner area 46, the indicator assembly 24 indicates which burner area 46 is in use, as described below.
  • the cooktop 10 includes a user interface 50 disposed on and operably coupled to the cooking surface 18.
  • the user interface 50 is positioned proximate to the door 40 of the appliance 12 and is operably coupled to the controller 34 to provide controls for a user to operate the cooktop 10.
  • the user interface 50 includes tactile indicia 52 communicatively coupled to the controller 34 to activate at least one of the coils 22 and simultaneously activate the indicator assembly 24.
  • the user interface 50 is also operably coupled with the indicator assembly 24 via the controller 34 to operate the lasers 32, as described in more detail below.
  • the coupling of the indicator assembly 24 with the user interface 50 further defines the selected burner area 46, described in further detail below.
  • a space 60 is defined between the support surface 16 and the cooking surface 18 in which the indicator assembly 24 and the plurality of coils 22 are disposed.
  • the space 60 is typically a height sufficient to contain the coils 22 and the indicator assembly 24, but is compact to minimize the bulk of the overall cooktop 10.
  • Each of the plurality of coils 22 is coupled to the support surface 16 via retention clips 62, and each coil 22 can be surrounded by one of the reflective members 26 to generally define a U-shaped configuration around each coil 22.
  • the reflective members 26 are disposed on and coupled to the support surface 16. It is generally contemplated that the reflective members 26 are coupled to the support surface 16 via an adhesive 64 disposed on a bottom surface 66 of the reflective members 26.
  • the bottom surface 66 of the reflective members 26 is configured to adhere the reflective members 26 to the support surface 16 via the adhesive 64.
  • a top surface 68 of the reflective members 26 is formed from a reflective material configured to reflect light, as described in more detail below.
  • the reflective members 26 can be formed from strips of reflective tape, such that the bottom surface 66 of the reflective members 26 includes the adhesive 64 that is configured to adhere to the support surface 16 and the top surface 68 includes the reflective material.
  • the reflective members 26 may be coupled to the support surface 16 via other fastening methods, such as separate adhesive strips, screws, magnets, and other practicable fasteners.
  • the reflective members 26, as illustrated in FIG. 4 include a first bend 70 and a second bend 72. It is generally contemplated that the first bend 70 and the second bend 72 are generally orthogonal. Additionally or alternatively, it is also contemplated that the first bend 70 and the second bend 72 may be curved, rounded, or any other orientation to be disposed around the coils 22. As illustrated in FIG. 4 , the reflective members 26 each include first and second lateral portions 74a, 74b and a medial portion 76 extending between the lateral portions 74a, 74b. The first bend 70 and the second bend 72 are defined where the lateral portions 74a, 74b are coupled to the medial portion 76, respectively.
  • each reflective member 26 extends between the lateral portions 74a, 74b to define the first bend 70 and the second bend 72 of each of the reflective members 26.
  • the reflective members 26 may generally cooperate with the indicia 20 disposed on the cooking surface 18 to illuminate the selected burner area 46.
  • the selected burner area 46 indicated by one of the indicia 20 can be illuminated by the indicator assembly 24, described in further detail below.
  • one of the lasers 32 is positioned on a first end 78 of the illustrated reflective member 26, such that a light path 80 of the laser 32 is reflected by the reflective member 26. Additionally or alternatively, the laser 32 may be positioned on a second end 79 of the reflective member 26 to define the light path 80. It is generally contemplated that the lasers 32 may be referred to as an illumination feature, such that a first illumination feature 32 may be coupled to a first reflective member 26a and a second illumination feature 32 may be coupled to a second reflective member 26b.
  • the light path 80 of the laser 32 is enhanced by the reflective member 26 to transmit the light path 80 through the cooking surface 18 of the cooktop 10 to define an activated cooking area 82, described below.
  • the light path 80 is reflected by the reflective member 26, such that the light path 80 of the indicator assembly 24 is visible through the cooking surface 18 to illuminate the activated cooking area 82.
  • the laser 32 is operably coupled to the controller 34 of the user interface 50 to selectively display the light path 80.
  • the controller 34 is configured to receive a signal from the user interface 50 as a result of the user selecting one of the burner areas 46 for use. Upon selection of one of the burner areas 46, the controller 34 activates at least one laser 32 to disperse the light path 80 along the respective reflective member 26. Stated differently, the activation of the indicator assembly 24 by the controller 34 indicates the activated cooking area 82 by outlining the burner area 46 with the light path 80 of the laser 32.
  • the indicator assembly 24 includes the reflective members 26 and the lasers 32. It is also contemplated that the indicator assembly 24 can include a first deflector 84 and a second deflector 86, as illustrated in FIGS. 4 and 5 .
  • the first and second deflectors 84, 86 of the indicator assembly 24 are positioned on the first and second bends 70, 72, respectively, of each of the reflective members 26 to direct the light path 80 along the respective reflective member 26 and define the activated cooking area 82.
  • the first deflector 84 and the second deflector 86 help to further define the activated cooking area 82 by deflecting the light path 80 of the laser 32 along the reflective member 26.
  • the first deflector 84 is coupled to the support surface 16 and is disposed on the first bend 70 of each reflective member 26.
  • the reflective members 26 can include a first reflective member 26a and a second reflective member 26b.
  • a first portion 84a of the first deflector 84 is disposed on the first bend 70 of the first reflective member 26a, and a second portion 84b of the first deflector 84 can be disposed on the first bend 70 of the second reflector 26b.
  • the second deflector 86 is coupled to the support surface 16 and is disposed on the second bend 72 of each reflective member 26.
  • the first and second deflectors 84, 86 are formed from a reflective material, such as a mirror, to reflect the light path 80 of each laser 32, described below.
  • the first and second deflectors 84, 86 are generally compact to fit within the space 60 defined between the support surface 16 and the cooking surface 18 while maintaining the compact construction of the cooktop 10.
  • the first deflector 84 and the second deflector 86 are depicted as separate deflectors positioned along the reflective members 26.
  • the first deflector 84 is illustrated in FIG. 4 as being simultaneously disposed on the first bend 70 for each of the reflective members 26, such that the first deflector 84 has a box-like configuration.
  • the first deflector 84 is centrally disposed on a central portion 88 of the support surface 16 and disposed on each first bend 70 of each reflective member 26.
  • the second deflector 86 is depicted in FIG. 4 as being an L-shaped deflector positioned on the second bend 72 of each of the reflective members 26, such that the second deflector 86 is simultaneously positioned on the second bend 72 of two of the reflective members 26.
  • each first deflector 84 and each second deflector 86 may be separately disposed on each reflective member 26, such that the first and second deflectors 84, 86 are each a single planar deflective member, such as a mirror.
  • the laser 32 is disposed on the first end 78 of the reflective member 26 and is directed toward the first deflector 84 located at the first bend 70 of the reflective member 26.
  • the first and second deflectors 84, 86 can be mirrors, such that the light path 80 of the laser 32 is reflected and/or deflected by the mirrored surface of the first deflector 84 along the medial portion 76 of the reflective member 26 toward the second deflector 86 at the second bend 72 of the reflective member 26.
  • the second deflector 86 similarly reflects the light path 80 of the laser 32 along one of the lateral portions 74a, 74b of the reflective member 26 toward the second end 79 of the reflective member 26.
  • the light path 80 that is reflected by the first deflector 84 and/or the second deflector 86 is reflected at the same angle at which the light path 80 first contacts either of the first deflector 84 or the second deflector 86.
  • This reflection may also be referred to as a deflection angle 90 of the light path 80 as the light path 80 is deflected, or redirected, by the first and second deflectors 84, 86.
  • the deflection angle 90 of the light path 80 is defined as the angle taken between the light path 80 along one of the lateral portions 74a, 74b of the reflective member 26 and the light path 80 reflected off of the respective first deflector 84 or second deflector 86 along the medial portion 76 of the reflective member 26.
  • the laser 32 projects the light path 80 along one of the lateral portions 74a, 74b of the reflective member 26 toward the first deflector 84, and the light path 80 is deflected by the first deflector 84 along the medial portion 76 of the reflective member 26 toward the second deflector 86.
  • the second deflector 86 can then deflect the light path 80 again along the lateral portion 74a, 74b of the reflective member 26.
  • the deflection angles 90 are defined by the point in which the light path 80 is deflected by each of the first and second deflectors 84, 86.
  • the deflection angles 90 of the light path 80 as reflected by the first and second deflectors 84, 86 forms a general U-shape of the indicator assembly 24 to illuminate the activated cooking area 82, as illustrated in FIG. 6 .
  • the deflection angles 90 are depicted as an approximately 90-degree angle, it is generally contemplated that the first and second deflectors 84, 86 can be adjusted to a variety of angles, such that the indicator assembly 24 may project a different shape while still indicating the activated cooking area 82.
  • the light path 80 of the laser 32 is deflected at the deflection angle 90 defined by each of the first deflector 84 and the second deflector 86.
  • the deflection angle 90 of the indicator assembly 24 further defines the shape of the indicator assembly 24 around the coil 22 to illuminate the activated cooking area 82.
  • the reflective members 26 are each depicted as a single reflective strip disposed in a cross-formation along the support surface 16, such that a single reflective member 26 of the indicator assembly 24 is disposed between each coil 22.
  • the laser 32 is disposed on the first end 78 of the reflective members 26.
  • the second end 79 of each of the reflective members 26 extends toward the central portion 88 of the support surface 16.
  • the light path 80 depicted in FIGS. 7 and 8 is linear, such that the laser 32 directs the light path 80 directly from the first end 78 to the second end 79 of each of the reflective members 26.
  • the light path 80 is ultimately obstructed by a barrier member 100 that is disposed on the central portion 88 of the support surface 16.
  • the barrier member 100 is centrally disposed on the support surface 16 with the reflective member 26 extending toward each side of the barrier member 100.
  • the barrier member 100 is typically formed from a light-absorbing and heat resistant material, such that the barrier member 100 absorbs the light path 80 from the laser 32 while being able to withstand the heat of the coils 22.
  • the position of the reflective members 26 in a cross-formation around the barrier member 100 defines the light pattern of the indicator assembly 24 in the depicted construction illustrated in FIG. 8 .
  • the laser 32 is positioned on the first end 78 of each of the reflective members 26 and is directed toward the barrier member 100.
  • the light path 80 is illuminated along the reflective member 26 and visible through the cooking surface 18, while being absorbed or otherwise obstructed by the barrier member 100 proximate to the second end 79 of the reflective members 26.
  • the barrier member 100 defines a separated appearance of the activated cooking areas 82, such that the reflective members 26 are oriented with the barrier member 100 defining a gap 102 between the second end 79 of each reflective member 26.
  • the gap 102 is defined regardless of how many of the burner areas 46 are selected for use, such that the gap 102 can be defined by the selection of any one of the burner areas 46 alone or in combination.
  • two of the lasers 32 are activated by the controller 34 to illuminate the activated cooking area 82, as compared to the light path 80 of a single laser 32 being deflected to identify the activated cooking area 82 as described with respect to FIGS. 4-6 .
  • the configuration depicted in FIG. 8 is achieved by the user selecting the burner area 46 via the tactile indicia 52 on the user interface 50, and the controller 34 communicating with the indicator assembly 24 to activate the two lasers 32 adjacent to the selected burner area 46.
  • the light path 80 from each of the two activated lasers 32 is directed toward the barrier member 100.
  • the barrier member 100 absorbs the light emitted by each of the lasers 32 to define the segmented appearance of the indicator assembly 24 on the cooking surface 18.
  • two sides of the activated cooking area 82 are illuminated by the indicator assembly 24 to identify which burner area 46 the user selected.
  • the indicator assembly 24 allows a user to quickly and easily identify which burner area 46 is selected for use. Induction cooktops 10, in particular, provide minimal indication of the activated cooking area 82, such that the indicia 20 are typically one of the primary identifiers of the location of the coils 22 beneath the cooking surface 18. Accordingly, the indicator assembly 24 assists the user to readily identify a particular activated cooking area 82 to distinguish the selected burner area 46 from the non-selected burner areas 46.
  • the various configurations of the indicator assembly 24 allow the user to have varying design construction for illuminating the activated cooking area 82.
  • the indicator assembly 24 may include the first and second deflectors 84, 86 to provide the U-shape configuration of the indicator assembly 24.
  • the indicator assembly 24 may incorporate the barrier member 100 to define the segmented configuration of the indicator assembly 24. In either configuration, the indicator assembly 24 helps the user easily identify the burner area 46 selected by the user. It is also contemplated that the barrier member 100 may be used in combination with the reflective members 26 illustrated in FIGS. 4-6 .
  • a cooktop for an appliance includes a body that has a support surface.
  • a cooking surface is operably coupled to the body and having and/or defining a plurality of indicia.
  • a plurality of coils are coupled to the support surface of the body. The plurality of coils correspond with the plurality of indicia defined on and/or by the cooking surface.
  • An indicator assembly is operably coupled to the support surface of the body.
  • the indicator assembly includes reflective members that are disposed on the support surface proximate to the plurality of coils and lasers are operably coupled to the support surface and are disposed proximate the reflective members.
  • a controller is operably coupled to the indicator assembly and is configured to activate the lasers relative to the reflective members.
  • lasers define a light path proximate each reflective member.
  • a cooktop further includes a barrier member that is centrally disposed on a support surface of a body proximate to an end of each reflective member.
  • each reflective member includes a first end and a second end, and a first bend and a second bend are defined between the first end and the second end of each of the reflective members.
  • an indicator assembly further includes a first deflector and a second deflector, and the first deflector is disposed on each reflective member at a first bend and the second deflector is disposed on each of the reflective members at a second bend.
  • an indicator assembly is selectively visible through a cooking surface to define an activated cooking area.
  • a controller is configured to activate lasers of an indicator assembly to define an activated cooking area, and the controller is communicatively coupled to a plurality of coils to activate at least one of the lasers to define the activated cooking area of the cooking surface.
  • an indicator assembly for a cooktop includes a support surface. Reflective members are operably coupled to the support surface. An illumination feature is operably coupled to a first end of each of the reflective members and define a light path along each of the reflective members. A barrier member is centrally disposed on the support surface proximate a second end of each of the reflective members.
  • reflective members at least partially define a cooking area and are configured to be disposed around coils disposed on a support surface.
  • a light path defined by an illumination feature extends along each reflective member and is configured to be obstructed by a barrier member.
  • reflective members include a first reflective member and a second reflective member, and a first illumination feature is coupled to the first reflective member and a second illumination feature is coupled to the second reflective member.
  • a light path defined by a first illumination feature along a first reflective member and the light path defined by a second illumination feature along a second reflective member define an activated cooking area.
  • a light path defined by a first illumination feature and a second illumination feature is obstructed by a barrier member to further define an activated cooking area.
  • an indicator assembly for a cooktop includes a support surface.
  • Reflective members are disposed on the support surface and have a first end and a second end.
  • Each of the reflective members has a first bend and a second bend that are defined between the first end and the second end of each of the reflective members.
  • a first deflector is disposed on the first bend of each of the reflective members.
  • a second deflector is disposed on the second bend of each of the reflective members.
  • An illumination feature is operably coupled to each of the reflective members and define a light path proximate each of the reflective members.
  • each reflective member includes first and second lateral portions and a medial portion defined therebetween.
  • a light path defined by an illumination feature is altered by a first deflector to extend along the medial portion of each of the reflective member and is altered by a second deflector to extend along at least one of the first and second lateral portions of each of the reflective members to define an activated cooking area.
  • a first deflector and a second deflector comprise a reflective material configured to alter a light path defined by an illumination feature to define an activated cooking area.
  • a first deflector is centrally disposed on a support surface and is operably coupled to a first bend of each reflective member.
  • a deflection angle is defined by an alteration of a light path, and the deflection angle is defined by the light path and first and second deflectors to define a U-shape.
  • reflective members include a first reflective member and a second reflective member.
  • a first deflector includes a first portion disposed on a first bend of the first reflective member and a second portion disposed on a first bend of the second reflective member.
  • an indicator assembly further includes a controller that is configured to activate an illumination feature to selectively define an activated cooking area along at least one of the reflective members.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
EP21171043.9A 2020-04-30 2021-04-28 Kochfeld mit einer indikatoranordnung Withdrawn EP3904771A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063017727P 2020-04-30 2020-04-30
US17/227,434 US20210341151A1 (en) 2020-04-30 2021-04-12 Indicator assembly

Publications (1)

Publication Number Publication Date
EP3904771A1 true EP3904771A1 (de) 2021-11-03

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EP21171043.9A Withdrawn EP3904771A1 (de) 2020-04-30 2021-04-28 Kochfeld mit einer indikatoranordnung

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US (1) US20210341151A1 (de)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003197357A (ja) * 2001-12-28 2003-07-11 Sanyo Electric Co Ltd 電磁調理器
US20130286630A1 (en) * 2010-11-04 2013-10-31 Eurokera S.N.C. Light-emitting, glass-ceramic article
DE102012212350A1 (de) * 2012-07-13 2014-01-16 E.G.O. Elektro-Gerätebau GmbH Kochfeld
EP2950614A1 (de) * 2014-05-30 2015-12-02 Samsung Electronics Co., Ltd. Kochvorrichtung
DE102015222719A1 (de) * 2015-11-18 2017-05-18 E.G.O. Elektro-Gerätebau GmbH Kochgerät mit Anzeigeeinrichtung und Verfahren zur Anzeige an einem Kochgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003197357A (ja) * 2001-12-28 2003-07-11 Sanyo Electric Co Ltd 電磁調理器
US20130286630A1 (en) * 2010-11-04 2013-10-31 Eurokera S.N.C. Light-emitting, glass-ceramic article
DE102012212350A1 (de) * 2012-07-13 2014-01-16 E.G.O. Elektro-Gerätebau GmbH Kochfeld
EP2950614A1 (de) * 2014-05-30 2015-12-02 Samsung Electronics Co., Ltd. Kochvorrichtung
DE102015222719A1 (de) * 2015-11-18 2017-05-18 E.G.O. Elektro-Gerätebau GmbH Kochgerät mit Anzeigeeinrichtung und Verfahren zur Anzeige an einem Kochgerät

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